52% (1996)

50% (2000)

25% (1995)

51% (1998)

67% (2005)

41% (1992)

30% (1997)

49% (1994)

50% (1996)

24% (1995)

40% (1995)

50% (1994)

28% (2003)

42% (1999)

60% (1997)

50% (1997)

42% (2002)

50% (1997)

37% (1996)

47% (1994)